run-aa-test: do not prefix "# " to output from the underlying test

In nearly all cases, the underlying test is itself designed as a LAVA
test with (at least partially) structured output. We want to capture
and parse that output, so that the LAVA logs correctly blame one
specific underlying test for failures if necessary.

Differential Revision: https://phabricator.apertis.org/D276


Signed-off-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
Reviewed-by: araujo

apparmor/run-aa-test

@@ -7,6 +7,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+import sys
 from difflib import unified_diff
 from os import access, getenv, R_OK, X_OK, setsid
 from os.path import basename
@@ -85,7 +86,7 @@ test = Popen(cmdline, preexec_fn=setsid, stdout=PIPE,
 
 print('#=== running test script: %r ===' % cmdline)
 for line in test.stdout:
-    print('# %s' % line.rstrip('\n'))
+    sys.stdout.write(line)
 
 # Wait for tests to exit
 ret = test.wait()